You think you have the right stuff? Rafa will be No. 1 again — or crash out the Top 10 when both kneecaps explode? Roger returns to No. 1? Or drops out of the Top 10 altogether? Boris Becker turns Novak into a serve-and-volleyer on clay to take No. 1 in 2014? Better chance of that, or another Becker illegitimate kid surfacing? But that’s another contest.